Razor blade cartridge



FIG. 1 is a perspective view of razor blade cartridge;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevation being a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view.

The bottom surface structures shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a razor blade cartridge, as shown and described. 